Mercedes

Just fitted 15 mins max turned up to 5 on dial towed caravan and the difference was amazing much less changing down and increase in mpg from average of 24 to just over 30 with cara…

Vauxhall Antara 2.2 ....chip fitted in under 30 minutes and the difference noticeable on the fist drive. Currently on #8 setting .. more power and better fuel consumption. Pleased …